[cfe-commits] [Patch] Add suppor for Bitrig, an OpenBSD fork.

[Brad Smith]

On Mon, Aug 06, 2012 at 10:28:37PM -0400, David Hill wrote:
> Attached is a diff to add support for Bitrig, an OpenBSD fork.
> 
> Please review.
> 
> Thanks,
> David

> +// Bitrig Target
> +template<typename Target>
> +class BitrigTargetInfo : public OSTargetInfo<Target> {
> +protected:
> +  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
> +                            MacroBuilder &Builder) const {
> +    // Bitrig defines; list based off of gcc output
> +
> +    Builder.defineMacro("__Bitrig__");
> +    DefineStd(Builder, "unix", Opts);
> +    Builder.defineMacro("__ELF__");
> +    if (Opts.POSIXThreads)
> +      Builder.defineMacro("_REENTRANT");
> +  }
> +public:
> +  BitrigTargetInfo(const std::string &triple)
> +    : OSTargetInfo<Target>(triple) {
> +      this->UserLabelPrefix = "";
> +      this->TLSSupported = false;
> +
> +      llvm::Triple Triple(triple);
> +      switch (Triple.getArch()) {
> +        case llvm::Triple::sparcv9:
> +          this->MCountName = "_mcount";
> +          break;
> +        default:
> +          this->MCountName = "__mcount";
> +          break;
> +      }
> +  }
> +};

Since there is no SPARC64 target for Bitrig this can be
simplified by just putting ``this->MCountName = "__mcount";''
below ``this->TLSSupported'' and eliminating the rest.

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